判断mqtt客户端是否在线

iot-access/access-boot/src/main/java/com/njcn/access/handler/MqttMessageHandler.java

@@ -21,10 +21,8 @@ import com.njcn.access.service.ICsTopicService;
 import com.njcn.common.pojo.exception.BusinessException;
 import com.njcn.common.utils.PubUtils;
 import com.njcn.csdevice.api.DevModelFeignClient;
-import com.njcn.csdevice.api.EquipmentFeignClient;
 import com.njcn.csdevice.pojo.po.CsDevModelPO;
 import com.njcn.redis.utils.RedisUtil;
-import com.njcn.system.api.DicDataFeignClient;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.eclipse.paho.client.mqttv3.MqttMessage;
@@ -108,8 +106,6 @@ public class MqttMessageHandler {
         ReqAndResDto.Res res = gson.fromJson(new String(message.getPayload(), StandardCharsets.UTF_8), ReqAndResDto.Res.class);
         if (Objects.equals(res.getCode(),AccessEnum.SUCCESS.getCode())){
             if (Objects.equals(res.getType(),TypeEnum.TYPE_17.getCode())){
-                //这边用redis缓存来判断是否接收响应
-                redisUtil.saveByKeyWithExpire(nDid,AccessEnum.SUCCESS.getCode(),600L);
                 //询问模板数据
                 ReqAndResDto.Req reqAndResParam = new ReqAndResDto.Req();
                 reqAndResParam.setMid(1);
@@ -164,7 +160,6 @@ public class MqttMessageHandler {
         //todo 这边也是要调整的
         String key2 = "MODEL" + nDid;
         redisUtil.saveByKeyWithExpire(key2,modelId,600L);
-        redisUtil.delete(nDid);
     }